"His name is Joshua Knight. Once a respected explorer, the press now calls him the Tarnished Knight. He took the fall for a disaster in the Underworld that destroyed his career. The devastating event occurred in the newly discovered sector known as Glass House-a maze of crystal that is rumored to conceal powerful Alien antiquities. The rest of the Hollister Expedition team disappeared and are presumed dead. Whatever happened down in the tunnels scrambled...

Witty typewriter Olivetti and twelve-year-old introvert Ernest embark on a mission to find Ernest's missing mother that takes them across San Francisco.

Teen Sherlock battles a monstrous adversary on a mission to Ireland with his brilliant brother, Mycroft. Young Sherlock is thrown into a tangled web involving a spiritualist whose powers have attracted the attention of governments around the world. At the castle where the medium is demonstrating his "gift," Sherlock finds a household in turmoil. Servants and some of the guests are frightened but who--or what?--has terrified them so much that nobody...

"During World War II, twelve-year old Miriam secretly spirits other Jewish people out of Nazi-occupied France after being separated from her family and forced into hiding"--